基于Algor的自带冠扭叶片动力学特性仿真研究  

Algor Based Simulation Research on Dynamic Characteristics of Twisted Blade with Integral Shroud

作　　者：汪燕[1] 李录平[1] 黄文俊[1] 

机构地区：[1]长沙理工大学能源与动力工程学院,长沙410076

出　　处：《汽轮机技术》2008年第3期204-207,共4页Turbine Technology

基　　金：湖南省自然科学基金资助项目(编号:06JJ20040);大唐湖南分公司科技项目(石门电厂300MW汽轮发电机组轴承负荷分配研究);长沙理工大学博士基金的资助

摘　　要：采用三维实体模型模化叶片及围带,建立自由叶片、整圈自锁叶片动静力特性分析的有限元模型;借助大型通用有限元分析软件ALGOR,分析计算了自带冠叶片动力学特性。得出了叶冠型式对叶片动力学特性的影响和叶冠结构对叶片动力学特性的影响。By using three dimension solid model, the finite element model for analysis of dynamic and static characteristics of integrally shrouded blades were presented; with the aid of FEA software ALGOR, dynamic characteristics of steam tur-bine twisted blades with integral shroud were analyzed and calculated; Obtained the influence factors that the forms of integrally shrouded blade and the structions of integrally shrouded blade to dynamic characteristics.

关 键 词：自带冠叶片 动力特性 模型 初始间隙 

分 类 号：TK263.3[动力工程及工程热物理—动力机械及工程]